if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
    var noDataText = container.selectAll('.nv-noData').data([noData]);

    noDataText.enter().append('text')
      .attr('class', 'nvd3 nv-noData')
      .attr('dy', '-.7em')
      .style('text-anchor', 'middle');

    noDataText
      .attr('x', margin.left + availableWidth / 2)
      .attr('y', margin.top + availableHeight / 2)
      .text(function(d) { return d });

    return chart;
} else {
    container.selectAll('.nv-noData').remove();
}

nv.utils.noData = function(chart, container) {
var opt = chart.options(),
    margin = opt.margin(),
    noData = opt.noData(),
    data = (noData == null) ? ["No Data Available."] : [noData],
    height = nv.utils.availableHeight(opt.height(), container, margin),
    width = nv.utils.availableWidth(opt.width(), container, margin),
    x = margin.left + width/2,
    y = margin.top + height/2;

//Remove any previously created chart components
container.selectAll('g').remove();

var noDataText = container.selectAll('.nv-noData').data(data);

noDataText.enter().append('text')
    .attr('class', 'nvd3 nv-noData')
    .style('text-anchor', 'middle');

noDataText
    .attr('x', '50%')
    .attr('y', '50%')
    .text(function(t){ return t; });

.nvd3.nv-noData {
position: relative;
transform: translate(-50%, -50%) !important;
font-size: 24px;
color: #666;
font-weight: 200;
text-align: center;}